void export_cell(Cell *cell)
{
- log_assert(cell_recursion_guard.count(cell) == 0);
+ if (cell_recursion_guard.count(cell)) {
+ string cell_list;
+ for (auto c : cell_recursion_guard)
+ cell_list += stringf("\n %s", log_id(c));
+ log_error("Found topological loop while processing cell %s. Active cells:%s\n", log_id(cell), cell_list.c_str());
+ }
+
cell_recursion_guard.insert(cell);
btorf_push(log_id(cell));
if (cell->type == "$lt") btor_op = "lt";
if (cell->type == "$le") btor_op = "lte";
if (cell->type.in("$eq", "$eqx")) btor_op = "eq";
- if (cell->type.in("$ne", "$nex")) btor_op = "ne";
+ if (cell->type.in("$ne", "$nex")) btor_op = "neq";
if (cell->type == "$ge") btor_op = "gte";
if (cell->type == "$gt") btor_op = "gt";
log_assert(!btor_op.empty());